DaemonSet Calico 网络插件

2018-01-04 22:00:34 +08:00 · 2018-01-04 22:00:34 +08:00 · 3b0df004df
parent 4c1f7bceed
commit 3b0df004df
6 changed files with 399 additions and 1 deletions
--- a/example/hosts.allinone.example
+++ b/example/hosts.allinone.example
@ -43,6 +43,12 @@ BOOTSTRAP_TOKEN="d18f94b5fa585c7123f56803d925d2e7"
 # 集群网络插件，目前支持calico和flannel
 CLUSTER_NETWORK="calico"

+# 部分calico相关配置，更全配置可以去roles/calico/templates/calico.yaml.j2自定义
+# 设置 CALICO_IPV4POOL_IPIP=“off”,可以提高网络性能，条件限制详见 05.安装calico网络组件.md
+CALICO_IPV4POOL_IPIP="always"
+# 设置 calico-node使用的host IP，bgp邻居通过该地址建立，可手动指定端口"interface=eth0"或使用如下自动发现
+IP_AUTODETECTION_METHOD="can-reach=223.5.5.5"
+
 # 服务网段 (Service CIDR），部署前路由不可达，部署后集群内使用 IP:Port 可达
 SERVICE_CIDR="10.68.0.0/16"

--- a/example/hosts.m-masters.example
+++ b/example/hosts.m-masters.example
@ -58,6 +58,12 @@ BOOTSTRAP_TOKEN="c30302226d4b810e08731702d3890f50"
 # 集群网络插件，目前支持calico和flannel
 CLUSTER_NETWORK="calico"

+# 部分calico相关配置，更全配置可以去roles/calico/templates/calico.yaml.j2自定义
+# 设置 CALICO_IPV4POOL_IPIP=“off”,可以提高网络性能，条件限制详见 05.安装calico网络组件.md
+CALICO_IPV4POOL_IPIP="always"
+# 设置 calico-node使用的host IP，bgp邻居通过该地址建立，可手动指定端口"interface=eth0"或使用如下自动发现
+IP_AUTODETECTION_METHOD="can-reach=223.5.5.5"
+
 # 服务网段 (Service CIDR），部署前路由不可达，部署后集群内使用 IP:Port 可达
 SERVICE_CIDR="10.68.0.0/16"

--- a/example/hosts.s-master.example
+++ b/example/hosts.s-master.example
@ -47,6 +47,12 @@ BOOTSTRAP_TOKEN="d18f94b5fa585c7123f56803d925d2e7"
 # 集群网络插件，目前支持calico和flannel
 CLUSTER_NETWORK="calico"

+# 部分calico相关配置，更全配置可以去roles/calico/templates/calico.yaml.j2自定义
+# 设置 CALICO_IPV4POOL_IPIP=“off”,可以提高网络性能，条件限制详见 05.安装calico网络组件.md
+CALICO_IPV4POOL_IPIP="always"
+# 设置 calico-node使用的host IP，bgp邻居通过该地址建立，可手动指定端口"interface=eth0"或使用如下自动发现
+IP_AUTODETECTION_METHOD="can-reach=223.5.5.5"
+
 # 服务网段 (Service CIDR），部署前路由不可达，部署后集群内使用 IP:Port 可达
 SERVICE_CIDR="10.68.0.0/16"

--- a/roles/calico/tasks/main.yml
+++ b/roles/calico/tasks/main.yml
@ -33,7 +33,7 @@
 - name: 删除默认cni配置
  file: path=/etc/cni/net.d/10-default.conf state=absent

-# [可选]cni calico plugins 已经在calico.yaml完成安装
+# [可选]cni calico plugins 已经在calico.yaml完成自动安装
 - name: 下载calicoctl 客户端
  copy: src={{ base_dir }}/bin/{{ item }} dest={{ bin_dir }}/{{ item }} mode=0755
  with_items:
--- a/roles/calico/templates/calico-rbac.yaml.j2
+++ b/roles/calico/templates/calico-rbac.yaml.j2
@ -0,0 +1,64 @@
+# Calico Version v2.6.5
+# https://docs.projectcalico.org/v2.6/releases#v2.6.5
+
+---
+
+kind: ClusterRole
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: calico-kube-controllers
+rules:
+  - apiGroups:
+    - ""
+    - extensions
+    resources:
+      - pods
+      - namespaces
+      - networkpolicies
+      - nodes
+    verbs:
+      - watch
+      - list
+---
+kind: ClusterRoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: calico-kube-controllers
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: calico-kube-controllers
+subjects:
+- kind: ServiceAccount
+  name: calico-kube-controllers
+  namespace: kube-system
+
+---
+
+kind: ClusterRole
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: calico-node
+rules:
+  - apiGroups: [""]
+    resources:
+      - pods
+      - nodes
+    verbs:
+      - get
+
+---
+
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: calico-node
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: calico-node
+subjects:
+- kind: ServiceAccount
+  name: calico-node
+  namespace: kube-system
+
--- a/roles/calico/templates/calico.yaml.j2
+++ b/roles/calico/templates/calico.yaml.j2
@ -0,0 +1,316 @@
+# Calico Version v2.6.5
+# https://docs.projectcalico.org/v2.6/releases#v2.6.5
+# This manifest includes the following component versions:
+#   calico/node:v2.6.5
+#   calico/cni:v1.11.2
+#   calico/kube-controllers:v1.0.2
+
+# This ConfigMap is used to configure a self-hosted Calico installation.
+kind: ConfigMap
+apiVersion: v1
+metadata:
+  name: calico-config
+  namespace: kube-system
+data:
+  # Configure this with the location of your etcd cluster.
+  etcd_endpoints: "{{ ETCD_ENDPOINTS }}"
+
+  # Configure the Calico backend to use.
+  calico_backend: "bird"
+
+  # The CNI network configuration to install on each node.
+  cni_network_config: |-
+    {
+        "name": "k8s-pod-network",
+        "cniVersion": "0.1.0",
+        "type": "calico",
+        "etcd_endpoints": "{{ ETCD_ENDPOINTS }}",
+        "etcd_key_file": "/etc/calico/ssl/calico-key.pem",
+        "etcd_cert_file": "/etc/calico/ssl/calico.pem",
+        "etcd_ca_cert_file": "/etc/calico/ssl/ca.pem",
+        "log_level": "info",
+        "mtu": 1500,
+        "ipam": {
+            "type": "calico-ipam"
+        },
+        "policy": {
+            "type": "k8s"
+        },
+        "kubernetes": {
+            "kubeconfig": "/root/.kube/config"
+        }
+    }
+
+  # If you're using TLS enabled etcd uncomment the following.
+  # You must also populate the Secret below with these files.
+  etcd_ca: "/calico-secrets/ca.pem"
+  etcd_cert: "/calico-secrets/calico.pem"
+  etcd_key: "/calico-secrets/calico-key.pem"
+---
+
+# This manifest installs the calico/node container, as well
+# as the Calico CNI plugins and network config on
+# each master and worker node in a Kubernetes cluster.
+kind: DaemonSet
+apiVersion: extensions/v1beta1
+metadata:
+  name: calico-node
+  namespace: kube-system
+  labels:
+    k8s-app: calico-node
+spec:
+  selector:
+    matchLabels:
+      k8s-app: calico-node
+  template:
+    metadata:
+      labels:
+        k8s-app: calico-node
+      annotations:
+        scheduler.alpha.kubernetes.io/critical-pod: ''
+        scheduler.alpha.kubernetes.io/tolerations: |
+          [{"key": "dedicated", "value": "master", "effect": "NoSchedule" },
+           {"key":"CriticalAddonsOnly", "operator":"Exists"}]
+    spec:
+      hostNetwork: true
+      serviceAccountName: calico-node
+      # Minimize downtime during a rolling upgrade or deletion; tell Kubernetes to do a "force
+      # deletion": https://kubernetes.io/docs/concepts/workloads/pods/pod/#termination-of-pods.
+      terminationGracePeriodSeconds: 0
+      containers:
+        # Runs calico/node container on each Kubernetes node.  This
+        # container programs network policy and routes on each
+        # host.
+        - name: calico-node
+          #image: quay.io/calico/node:v2.6.5
+          image: calico/node:v2.6.5
+          env:
+            # The location of the Calico etcd cluster.
+            - name: ETCD_ENDPOINTS
+              valueFrom:
+                configMapKeyRef:
+                  name: calico-config
+                  key: etcd_endpoints
+            # Choose the backend to use.
+            - name: CALICO_NETWORKING_BACKEND
+              valueFrom:
+                configMapKeyRef:
+                  name: calico-config
+                  key: calico_backend
+            # Cluster type to identify the deployment type
+            - name: CLUSTER_TYPE
+              value: "k8s,bgp"
+            # Disable file logging so `kubectl logs` works.
+            - name: CALICO_DISABLE_FILE_LOGGING
+              value: "true"
+            # Set Felix endpoint to host default action to ACCEPT.
+            - name: FELIX_DEFAULTENDPOINTTOHOSTACTION
+              value: "ACCEPT"
+            # Configure the IP Pool from which Pod IPs will be chosen.
+            - name: CALICO_IPV4POOL_CIDR
+              value: "{{ CLUSTER_CIDR }}"
+            - name: CALICO_IPV4POOL_IPIP
+              value: "{{ CALICO_IPV4POOL_IPIP }}"
+            # Set noderef for node controller.
+            - name: CALICO_K8S_NODE_REF
+              valueFrom:
+                fieldRef:
+                  fieldPath: spec.nodeName
+            # Disable IPv6 on Kubernetes.
+            - name: FELIX_IPV6SUPPORT
+              value: "false"
+            # Set Felix logging to "info"
+            - name: FELIX_LOGSEVERITYSCREEN
+              value: "info"
+            # Set MTU for tunnel device used if ipip is enabled
+            - name: FELIX_IPINIPMTU
+              value: "1440"
+            # Location of the CA certificate for etcd.
+            - name: ETCD_CA_CERT_FILE
+              valueFrom:
+                configMapKeyRef:
+                  name: calico-config
+                  key: etcd_ca
+            # Location of the client key for etcd.
+            - name: ETCD_KEY_FILE
+              valueFrom:
+                configMapKeyRef:
+                  name: calico-config
+                  key: etcd_key
+            # Location of the client certificate for etcd.
+            - name: ETCD_CERT_FILE
+              valueFrom:
+                configMapKeyRef:
+                  name: calico-config
+                  key: etcd_cert
+            # Auto-detect the BGP IP address.
+            - name: IP
+              value: ""
+            - name: IP_AUTODETECTION_METHOD
+              value: "{{ IP_AUTODETECTION_METHOD }}"
+            - name: FELIX_HEALTHENABLED
+              value: "true"
+          securityContext:
+            privileged: true
+          resources:
+            requests:
+              cpu: 250m
+          livenessProbe:
+            httpGet:
+              path: /liveness
+              port: 9099
+            periodSeconds: 10
+            initialDelaySeconds: 10
+            failureThreshold: 6
+          readinessProbe:
+            httpGet:
+              path: /readiness
+              port: 9099
+            periodSeconds: 10
+          volumeMounts:
+            - mountPath: /lib/modules
+              name: lib-modules
+              readOnly: true
+            - mountPath: /var/run/calico
+              name: var-run-calico
+              readOnly: false
+            - mountPath: /calico-secrets
+              name: etcd-certs
+        # This container installs the Calico CNI binaries
+        # and CNI network config file on each node.
+        - name: install-cni
+          #image: quay.io/calico/cni:v1.11.2
+          image: calico/cni:v1.11.2
+          command: ["/install-cni.sh"]
+          env:
+            # The location of the Calico etcd cluster.
+            - name: ETCD_ENDPOINTS
+              valueFrom:
+                configMapKeyRef:
+                  name: calico-config
+                  key: etcd_endpoints
+            # The CNI network config to install on each node.
+            - name: CNI_NETWORK_CONFIG
+              valueFrom:
+                configMapKeyRef:
+                  name: calico-config
+                  key: cni_network_config
+          volumeMounts:
+            - mountPath: /host/opt/cni/bin
+              name: cni-bin-dir
+            - mountPath: /host/etc/cni/net.d
+              name: cni-net-dir
+            - mountPath: /calico-secrets
+              name: etcd-certs
+      volumes:
+        # Used by calico/node.
+        - name: lib-modules
+          hostPath:
+            path: /lib/modules
+        - name: var-run-calico
+          hostPath:
+            path: /var/run/calico
+        # Used to install CNI.
+        - name: cni-bin-dir
+          hostPath:
+            path: {{ bin_dir }}
+        - name: cni-net-dir
+          hostPath:
+            path: /etc/cni/net.d
+        # Mount in the etcd TLS secrets.
+        - name: etcd-certs
+          hostPath:
+            path: /etc/calico/ssl
+
+---
+
+# This manifest deploys the Calico Kubernetes controllers.
+# See https://github.com/projectcalico/kube-controllers
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: calico-kube-controllers
+  namespace: kube-system
+  labels:
+    k8s-app: calico-kube-controllers
+  annotations:
+    scheduler.alpha.kubernetes.io/critical-pod: ''
+    scheduler.alpha.kubernetes.io/tolerations: |
+      [{"key": "dedicated", "value": "master", "effect": "NoSchedule" },
+       {"key":"CriticalAddonsOnly", "operator":"Exists"}]
+spec:
+  # The controllers can only have a single active instance.
+  replicas: 1
+  strategy:
+    type: Recreate
+  selector:
+    matchLabels:
+      k8s-app: calico-kube-controllers
+  template:
+    metadata:
+      name: calico-kube-controllers
+      namespace: kube-system
+      labels:
+        k8s-app: calico-kube-controllers
+    spec:
+      # The controllers must run in the host network namespace so that
+      # it isn't governed by policy that would prevent it from working.
+      hostNetwork: true
+      serviceAccountName: calico-kube-controllers
+      containers:
+        - name: calico-kube-controllers
+          #image: quay.io/calico/kube-controllers:v1.0.2
+          image: calico/kube-controllers:v1.0.2
+          env:
+            # The location of the Calico etcd cluster.
+            - name: ETCD_ENDPOINTS
+              valueFrom:
+                configMapKeyRef:
+                  name: calico-config
+                  key: etcd_endpoints
+            # Location of the CA certificate for etcd.
+            - name: ETCD_CA_CERT_FILE
+              valueFrom:
+                configMapKeyRef:
+                  name: calico-config
+                  key: etcd_ca
+            # Location of the client key for etcd.
+            - name: ETCD_KEY_FILE
+              valueFrom:
+                configMapKeyRef:
+                  name: calico-config
+                  key: etcd_key
+            # Location of the client certificate for etcd.
+            - name: ETCD_CERT_FILE
+              valueFrom:
+                configMapKeyRef:
+                  name: calico-config
+                  key: etcd_cert
+            # Choose which controllers to run.
+            - name: ENABLED_CONTROLLERS
+              value: policy,profile,workloadendpoint,node
+          volumeMounts:
+            # Mount in the etcd TLS secrets.
+            - mountPath: /calico-secrets
+              name: etcd-certs
+      volumes:
+        # Mount in the etcd TLS secrets.
+        - name: etcd-certs
+          hostPath:
+            path: /etc/calico/ssl
+
+---
+
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: calico-kube-controllers
+  namespace: kube-system
+
+---
+
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: calico-node
+  namespace: kube-system